DE3120302A1 - Sicherheits-drehzahlbegrenzungsvorrichtung - Google Patents

Sicherheits-drehzahlbegrenzungsvorrichtung

Info

Publication number
DE3120302A1
DE3120302A1 DE19813120302 DE3120302A DE3120302A1 DE 3120302 A1 DE3120302 A1 DE 3120302A1 DE 19813120302 DE19813120302 DE 19813120302 DE 3120302 A DE3120302 A DE 3120302A DE 3120302 A1 DE3120302 A1 DE 3120302A1
Authority
DE
Germany
Prior art keywords
rotating part
interrupter
rotating
bore
speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19813120302
Other languages
German (de)
English (en)
Other versions
DE3120302C2 (enrdf_load_stackoverflow
Inventor
Yuki Katsuta Ibaragi Nakazawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to DE19813120302 priority Critical patent/DE3120302A1/de
Publication of DE3120302A1 publication Critical patent/DE3120302A1/de
Application granted granted Critical
Publication of DE3120302C2 publication Critical patent/DE3120302C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/06—Switches operated by change of speed
    • H01H35/10—Centrifugal switches

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Food-Manufacturing Devices (AREA)
DE19813120302 1981-05-21 1981-05-21 Sicherheits-drehzahlbegrenzungsvorrichtung Granted DE3120302A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813120302 DE3120302A1 (de) 1981-05-21 1981-05-21 Sicherheits-drehzahlbegrenzungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813120302 DE3120302A1 (de) 1981-05-21 1981-05-21 Sicherheits-drehzahlbegrenzungsvorrichtung

Publications (2)

Publication Number Publication Date
DE3120302A1 true DE3120302A1 (de) 1982-12-16
DE3120302C2 DE3120302C2 (enrdf_load_stackoverflow) 1991-03-07

Family

ID=6132921

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813120302 Granted DE3120302A1 (de) 1981-05-21 1981-05-21 Sicherheits-drehzahlbegrenzungsvorrichtung

Country Status (1)

Country Link
DE (1) DE3120302A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547949A1 (fr) * 1983-06-27 1984-12-28 Bosch Gmbh Robert Outil entraine electriquement avec securite de survitesse
WO2020154501A1 (en) * 2019-01-24 2020-07-30 Saudi Arabian Oil Company Mechanical calibration of turbine over speed trip

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866815C (de) * 1950-04-22 1953-02-12 Siemens Ag Elektromotorisch getriebelos betriebene Zentrifuge
DE1169002B (de) * 1960-03-11 1964-04-30 Licentia Gmbh Elektrischer Fliehkraftschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866815C (de) * 1950-04-22 1953-02-12 Siemens Ag Elektromotorisch getriebelos betriebene Zentrifuge
DE1169002B (de) * 1960-03-11 1964-04-30 Licentia Gmbh Elektrischer Fliehkraftschalter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547949A1 (fr) * 1983-06-27 1984-12-28 Bosch Gmbh Robert Outil entraine electriquement avec securite de survitesse
DE3323059A1 (de) * 1983-06-27 1985-01-10 Robert Bosch Gmbh, 7000 Stuttgart Elektrische arbeitsmaschine mit ueberdrehsicherung
WO2020154501A1 (en) * 2019-01-24 2020-07-30 Saudi Arabian Oil Company Mechanical calibration of turbine over speed trip
US11098611B2 (en) 2019-01-24 2021-08-24 Saudi Arabian Oil Company Mechanical calibration of turbine over speed trip

Also Published As

Publication number Publication date
DE3120302C2 (enrdf_load_stackoverflow) 1991-03-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee